29. What is a cross-connection?
The open space between the floor drain and the drainpipe of a sink
The spread of allergens from one food item to another
A pressure gauge on a high temperature dishwashing machine
OA link from a drinkable water system to a non-drinkable water system



Answer :

Final answer:

Cross-connection is a link between different water systems that can lead to contamination and spread of pathogens.


Explanation:

Cross-connection is a link from a drinkable water system to a non-drinkable water system, posing a risk of contamination. It can lead to pathogens and waterborne diseases spreading through the water supply.


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